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Make your own power packs with 18650 batteries. These cases are solid and really hold the batteries safe and secure. They are pre-wired and easily adapted for parallel or series configuration. Great for quick battery maintenance and replacement !
Verified purchase: Yes | Condition: New
This inexpensive little gadget will solve a box full of little power problems. No more trying to solder tabs back onto Lith batteries to use batteries in series for higher voltages. These little boxes, and the ones designed for three cells, allow you to plop in three or 4 cells and you are done. They are not terribly rugged looking, and the wires provided are quite small, but for providing LED lights in a tool box or boating box, they are perfect...and cheap!
Verified purchase: Yes | Condition: New
The holder is a very good value given the pricetag. If you need a larger current draw than a couple hundred Milliamps, you may want to change out the leads to a heavier gauge. A good product to experiment with. Makes for a good QRP power supply for Ham Radio.
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ok for projects
Verified purchase: Yes | Condition: New
ok
Verified purchase: Yes | Condition: New